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技术栈:
Python语言、Django框架、Highcharts可视化、MySQL数据库、HTML
(1)图书数据可视化分析
(2)图书借阅概况
(3)最近事件
(4)借阅记录
(5)图书管理
(6)会员权限管理
(7)注册登录界面
(8)后台数据管理
随着当前科学技术的发展,人类对于知识的需求日益增大,图书馆就成为人类获取知识的重要场所,而开发一个图书管理系统对图书进行管理的需求随之增大。
本论文所研究的课题是以 Django为基础,设计并实现了一个以 Python为核心的图书管理系统,其中的程序采用了Django中的Web框架,而数据库则采用了 Django中的 SQlite。本系统在设计上简易、直观,方便用户进行使用,除了图书管理方面,还可以对书籍等信息进行数据可视化功能。
基于上述技术,本系统满足实际生活中的图书管理系统的功能需求。本系统主要实现了登录、主页、借书、借阅记录、书籍、书籍类别、出版者、会员、个人中心等功能,主要设计登录模块、菜单模块、借阅模块、图书管理模块、个人中心模块这几大模块。经测试,本系统运行状态良好,基本上满足开发需求。
文章的结尾部分,对全文所做的工作做了一个小结,并提出了今后的工作方向。
关键词: Django;Python;图书管理系统
# HomePage class HomeView(LoginRequiredMixin,TemplateView): login_url = 'login' template_name = "index.html" context={} # users = User.objects.all() # for user in users: # print(user.get_username(),user.is_superuser) def get(self,request, *args, **kwargs): book_count = Book.objects.aggregate(Sum('quantity'))['quantity__sum'] data_count = {"book":book_count, "member":Member.objects.all().count(), "category":Category.objects.all().count(), "publisher":Publisher.objects.all().count(),} user_activities= UserActivity.objects.order_by("-created_at")[:5] user_avatar = { e.created_by:Profile.objects.get(user__username=e.created_by).profile_pic.url for e in user_activities} short_inventory =Book.objects.order_by('quantity')[:5] current_week = date.today().isocalendar()[1] new_members = Member.objects.order_by('-created_at')[:5] new_members_thisweek = Member.objects.filter(created_at__week=current_week).count() lent_books_thisweek = BorrowRecord.objects.filter(created_at__week=current_week).count() books_return_thisweek = BorrowRecord.objects.filter(end_day__week=current_week) number_books_return_thisweek = books_return_thisweek.count() new_closed_records = BorrowRecord.objects.filter(open_or_close=1).order_by('-closed_at')[:5] self.context['data_count']=data_count self.context['recent_user_activities']=user_activities self.context['user_avatar']=user_avatar self.context['short_inventory']=short_inventory self.context['new_members']=new_members self.context['new_members_thisweek']=new_members_thisweek self.context['lent_books_thisweek']=lent_books_thisweek self.context['books_return_thisweek']=books_return_thisweek self.context['number_books_return_thisweek']=number_books_return_thisweek self.context['new_closed_records']=new_closed_records return render(request, self.template_name, self.context) # Global Serch @login_required(login_url='login') def global_serach(request): search_value = request.POST.get('global_search') if search_value =='': return HttpResponseRedirect("/") r_category = Category.objects.filter(Q(name__icontains=search_value)) r_publisher = Publisher.objects.filter(Q(name__icontains=search_value)|Q(contact__icontains=search_value)) r_book = Book.objects.filter(Q(author__icontains=search_value)|Q(title__icontains=search_value)) r_member = Member.objects.filter(Q(name__icontains=search_value)|Q(card_number__icontains=search_value)|Q(phone_number__icontains=search_value)) r_borrow = BorrowRecord.objects.filter(Q(borrower__icontains=search_value)|Q(borrower_card__icontains=search_value)|Q(book__icontains=search_value)) context={ 'categories':r_category, 'publishers':r_publisher, 'books':r_book, 'members':r_member, 'records':r_borrow, } return render(request, 'book/global_search.html',context=context) # Chart class ChartView(LoginRequiredMixin,TemplateView): template_name = "book/charts.html" login_url = 'login' context={} def get(self,request, *args, **kwargs): top_5_book= Book.objects.order_by('-quantity')[:5].values_list('title','quantity') top_5_book_titles = [b[0] for b in top_5_book ] top_5_book__quantities = [b[1] for b in top_5_book ] # print(top_5_book_titles,top_5_book__quantities) top_borrow = Book.objects.order_by('-total_borrow_times')[:5].values_list('title','total_borrow_times') top_borrow_titles = [b[0] for b in top_borrow ] top_borrow_times = [b[1] for b in top_borrow ] r_open = BorrowRecord.objects.filter(open_or_close=0).count() r_close = BorrowRecord.objects.filter(open_or_close=1).count() m = Member.objects.annotate(month=TruncMonth('created_at')).values('month').annotate(c=Count('id')) months_member = [e['month'].strftime("%m/%Y") for e in m] count_monthly_member= [e['c'] for e in m] self.context['top_5_book_titles']=top_5_book_titles self.context['top_5_book__quantities']=top_5_book__quantities self.context['top_borrow_titles']=top_borrow_titles self.context['top_borrow_times']=top_borrow_times self.context['r_open']=r_open self.context['r_close']=r_close self.context['months_member']=months_member self.context['count_monthly_member']=count_monthly_member return render(request, self.template_name, self.context) # Book class BookListView(LoginRequiredMixin,ListView): login_url = 'login' model=Book context_object_name = 'books' template_name = 'book/book_list.html' search_value="" order_field="-updated_at" def get_queryset(self): search =self.request.GET.get("search") order_by=self.request.GET.get("orderby") if order_by: all_books = Book.objects.all().order_by(order_by) self.order_field=order_by else: all_books = Book.objects.all().order_by(self.order_field) if search: all_books = all_books.filter( Q(title__icontains=search)|Q(author__icontains=search) ) self.search_value=search self.count_total = all_books.count() paginator = Paginator(all_books, PAGINATOR_NUMBER) page = self.request.GET.get('page') books = paginator.get_page(page) return books def get_context_data(self, *args, **kwargs): context = super(BookListView, self).get_context_data(*args, **kwargs) context['count_total'] = self.count_total context['search'] = self.search_value context['orderby'] = self.order_field context['objects'] = self.get_queryset() return context class BookDetailView(LoginRequiredMixin,DetailView): model = Book context_object_name = 'book' template_name = 'book/book_detail.html' login_url = 'login' comment_form = CommentForm() # def get_object(self, queryset=None): # obj = super(BookDetailView, self).get_object(queryset=queryset) # return obj def get_context_data(self, **kwargs): context = super().get_context_data(**kwargs) current_book_name = self.get_object().title logger.info(f'Book <<{current_book_name}>> retrieved from db') comments = Comment.objects.filter(book=self.get_object().id) related_records = BorrowRecord.objects.filter(book=current_book_name) context['related_records'] = related_records context['comments'] = comments context['comment_form'] = self.comment_form return context class BookCreateView(LoginRequiredMixin,CreateView): model=Book login_url = 'login' form_class=BookCreateEditForm template_name='book/book_create.html' def post(self,request, *args, **kwargs): super(BookCreateView,self).post(request) new_book_name = request.POST['title'] messages.success(request, f"New Book << {new_book_name} >> Added") UserActivity.objects.create(created_by=self.request.user.username, target_model=self.model.__name__, detail =f"Create {self.model.__name__} << {new_book_name} >>") return redirect('book_list') class BookUpdateView(LoginRequiredMixin,UpdateView): model = Book login_url = 'login' form_class=BookCreateEditForm template_name = 'book/book_update.html' def post(self, request, *args, **kwargs): current_book = self.get_object() current_book.updated_by=self.request.user.username current_book.save(update_fields=['updated_by']) UserActivity.objects.create(created_by=self.request.user.username, operation_type="warning", target_model=self.model.__name__, detail =f"Update {self.model.__name__} << {current_book.title} >>") return super(BookUpdateView, self).post(request, *args, **kwargs) def form_valid(self, form): title=form.cleaned_data['title'] messages.warning(self.request, f"Update << {title} >> success") return super().form_valid(form) class BookDeleteView(LoginRequiredMixin,View): login_url = 'login' def get(self,request,*args,**kwargs): book_pk=kwargs["pk"] delete_book=Book.objects.get(pk=book_pk) model_name = delete_book.__class__.__name__ messages.error(request, f"Book << {delete_book.title} >> Removed") delete_book.delete() UserActivity.objects.create(created_by=self.request.user.username, operation_type="danger", target_model=model_name, detail =f"Delete {model_name} << {delete_book.title} >>") return HttpResponseRedirect(reverse("book_list")) # Categorty class CategoryListView(LoginRequiredMixin,ListView): login_url = 'login' model=Category context_object_name = 'categories' template_name = 'book/category_list.html' count_total = 0 search_value = '' order_field="-created_at" def get_queryset(self): search =self.request.GET.get("search") order_by=self.request.GET.get("orderby") if order_by: all_categories = Category.objects.all().order_by(order_by) self.order_field=order_by else: all_categories = Category.objects.all().order_by(self.order_field) if search: all_categories = all_categories.filter( Q(name__icontains=search) ) self.search_value=search self.count_total = all_categories.count() paginator = Paginator(all_categories, PAGINATOR_NUMBER) page = self.request.GET.get('page') categories = paginator.get_page(page) return categories def get_context_data(self, *args, **kwargs): context = super(CategoryListView, self).get_context_data(*args, **kwargs) context['count_total'] = self.count_total context['search'] = self.search_value context['orderby'] = self.order_field context['objects'] = self.get_queryset() return context class CategoryCreateView(LoginRequiredMixin,CreateView): login_url = 'login' model=Category fields=['name'] template_name='book/category_create.html' success_url = reverse_lazy('category_list') def form_valid(self, form): new_cat = form.save(commit=False) new_cat.save() send_notification(self.request.user,new_cat,verb=f'Add New Category << {new_cat.name} >>') logger.info(f'{self.request.user} created Category {new_cat.name}') UserActivity.objects.create(created_by=self.request.user.username, target_model=self.model.__name__, detail =f"Create {self.model.__name__} << {new_cat.name} >>") return super(CategoryCreateView, self).form_valid(form) class CategoryDeleteView(LoginRequiredMixin,View): login_url = 'login' def get(self,request,*args,**kwargs): cat_pk=kwargs["pk"] delete_cat=Category.objects.get(pk=cat_pk) model_name = delete_cat.__class__.__name__ messages.error(request, f"Category << {delete_cat.name} >> Removed") delete_cat.delete() send_notification(self.request.user,delete_cat,verb=f'Delete Category << {delete_cat.name} >>') UserActivity.objects.create(created_by=self.request.user.username, operation_type="danger", target_model=model_name, detail =f"Delete {model_name} << {delete_cat.name} >>") logger.info(f'{self.request.user} delete Category {delete_cat.name}') return HttpResponseRedirect(reverse("category_list")) # Publisher class PublisherListView(LoginRequiredMixin,ListView): login_url = 'login' model=Publisher context_object_name = 'publishers' template_name = 'book/publisher_list.html' count_total = 0 search_value = '' order_field="-created_at" def get_queryset(self): search =self.request.GET.get("search") order_by=self.request.GET.get("orderby") if order_by: all_publishers = Publisher.objects.all().order_by(order_by) self.order_field=order_by else: all_publishers = Publisher.objects.all().order_by(self.order_field) if search: all_publishers = all_publishers.filter( Q(name__icontains=search) | Q(city__icontains=search) | Q(contact__icontains=search) ) else: search = '' self.search_value=search self.count_total = all_publishers.count() paginator = Paginator(all_publishers, PAGINATOR_NUMBER) page = self.request.GET.get('page') publishers = paginator.get_page(page) return publishers def get_context_data(self, *args, **kwargs): context = super(PublisherListView, self).get_context_data(*args, **kwargs) context['count_total'] = self.count_total context['search'] = self.search_value context['orderby'] = self.order_field context['objects'] = self.get_queryset() return context class PublisherCreateView(LoginRequiredMixin,CreateView): model=Publisher login_url = 'login' form_class=PubCreateEditForm template_name='book/publisher_create.html' success_url = reverse_lazy('publisher_list') def form_valid(self,form): new_pub = form.save(commit=False) new_pub.save() messages.success(self.request, f"New Publisher << {new_pub.name} >> Added") send_notification(self.request.user,new_pub,verb=f'Add New Publisher << {new_pub.name} >>') logger.info(f'{self.request.user} created Publisher {new_pub.name}') UserActivity.objects.create(created_by=self.request.user.username, target_model=self.model.__name__, detail =f"Create {self.model.__name__} << {new_pub.name} >>") return super(PublisherCreateView, self).form_valid(form) # def post(self,request, *args, **kwargs): # super(PublisherCreateView,self).post(request) # new_publisher_name = request.POST['name'] # messages.success(request, f"New Publisher << {new_publisher_name} >> Added") # UserActivity.objects.create(created_by=self.request.user.username, # target_model=self.model.__name__, # detail =f"Create {self.model.__name__} << {new_publisher_name} >>") # return redirect('publisher_list') class PublisherUpdateView(LoginRequiredMixin,UpdateView): model=Publisher login_url = 'login' form_class=PubCreateEditForm template_name = 'book/publisher_update.html' def post(self, request, *args, **kwargs): current_pub = self.get_object() current_pub.updated_by=self.request.user.username current_pub.save(update_fields=['updated_by']) UserActivity.objects.create(created_by=self.request.user.username, operation_type="warning", target_model=self.model.__name__, detail =f"Update {self.model.__name__} << {current_pub.name} >>") return super(PublisherUpdateView, self).post(request, *args, **kwargs) def form_valid(self, form): title=form.cleaned_data['name'] messages.warning(self.request, f"Update << {title} >> success") return super().form_valid(form) class PublisherDeleteView(LoginRequiredMixin,View): login_url = 'login' def get(self,request,*args,**kwargs): pub_pk=kwargs["pk"] delete_pub=Publisher.objects.get(pk=pub_pk) model_name = delete_pub.__class__.__name__ messages.error(request, f"Publisher << {delete_pub.name} >> Removed") delete_pub.delete() send_notification(self.request.user,delete_pub,verb=f'Delete Publisher << {delete_pub.name} >>') logger.info(f'{self.request.user} delete Publisher {delete_pub.name}') UserActivity.objects.create(created_by=self.request.user.username, operation_type="danger", target_model=model_name, detail =f"Delete {model_name} << {delete_pub.name} >>") return HttpResponseRedirect(reverse("publisher_list")) # User Logs # @method_decorator(user_passes_test(lambda u: u.has_perm("book.view_useractivity")), name='dispatch') @method_decorator(allowed_groups(group_name=['logs']), name='dispatch') class ActivityListView(LoginRequiredMixin,ListView): login_url = 'login' model= UserActivity context_object_name = 'activities' template_name = 'book/user_activity_list.html' count_total = 0 search_value='' created_by='' order_field="-created_at" all_users = User.objects.values() user_list = [x['username'] for x in all_users] # def dispatch(self, *args, **kwargs): # return super(ActivityListView, self).dispatch(*args, **kwargs) def get_queryset(self): data = self.request.GET.copy() search =self.request.GET.get("search") filter_user=self.request.GET.get("created_by") all_activities = UserActivity.objects.all() if filter_user: self.created_by = filter_user all_activities = all_activities.filter(created_by=self.created_by) if search: self.search_value = search all_activities = all_activities.filter(Q(target_model__icontains=search)) self.search_value=search self.count_total = all_activities.count() paginator = Paginator(all_activities,PAGINATOR_NUMBER) page = self.request.GET.get('page') try: response = paginator.get_page(page) except PageNotAnInteger: response = paginator.get_page(1) except EmptyPage: response = paginator.get_page(paginator.num_pages) return response def get_context_data(self, *args, **kwargs): context = super(ActivityListView, self).get_context_data(*args, **kwargs) context['count_total'] = self.count_total context['search'] = self.search_value context['user_list']= self.user_list context['created_by'] = self.created_by return context # @method_decorator(user_passes_test(lambda u: u.has_perm("book.delete_useractivity")), name='dispatch') @method_decorator(allowed_groups(group_name=['logs']), name='dispatch') class ActivityDeleteView(LoginRequiredMixin,View): login_url = 'login' def get(self,request,*args,**kwargs): log_pk=kwargs["pk"] delete_log=UserActivity.objects.get(pk=log_pk) messages.error(request, f"Activity Removed") delete_log.delete() return HttpResponseRedirect(reverse("user_activity_list"))
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